Machiko Yoshikawa is the twin sister of Kyouko Yoshikawa and co-owner of owner of the info shop in Kathtom with her sister.

Unlike Kyouko, who dedicates her studies towards fortune telling, Machiko believes technology is the future and she even somewhat talks like a machine. When her sister leaves in the middle of the Rance 02 to try to help Bird Lithfie, Machiko remains in the info shop and continues providing information to Rance.